200516420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{771217}}^1$

素因数の和:771239

約数の個数: 24

約数和(自身を含む): 453476184

約数和(自身を除く): 252959764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 771217, 1542434, 3084868, 3856085, 7712170, 10025821, 15424340, 20051642, 40103284, 50129105, 100258210, 200516420]

約数ペア:

[(1, 200516420), (2, 100258210), (4, 50129105), (5, 40103284), (10, 20051642), (13, 15424340), (20, 10025821), (26, 7712170), (52, 3856085), (65, 3084868), (130, 1542434), (260, 771217)]